Running a bias pedal box in my mk1 and was looking at servo options, just wondering what others are using. It's a fast road car so nothing to special. 4 pots up front and 9"drums on the rear( maybe switching to discs in near future)
Running a bias pedal box in my mk1 and was looking at servo options, just wondering what others are using. It's a fast road car so nothing to special. 4 pots up front and 9"drums on the rear( maybe switching to discs in near future)
I wouldn't bother with a servo.
A few options:
Dual circuit - two remote servos; one for front axle, one for rear, perhaps mounted behind the seats if you don't have a rear seat anymore, or up under the dashboard if you can do without a glove box?
Single circuit option 1 - one servo, working all four corners mounted under dash, engine bay if you can fit it?
Single circuit option 2 - one servo, just working the front axle. I have no idea how feasible this is, though with a bias system I guess it's easier to tune the action than it would be with a non-bias pedal box.
There is an expensive single servo, dual circuit system available (the only one I've found) but it's expensive. Like over £300 expensive. The standard single circuit remote servos can be bought new from MG / Triumph type spares places. I think mine were about £60 each (I have them under the passenger side of the dashboard).
Personally, I also prefer the feel of a servo assisted system for the road.
Single circuit Option 1 above won't work with a bias box split system!
I have known using mgb servo on front circuit to be quite effective
I run a mini Cooper servo on my front system with a bias pedal box.
ap 4567 kit front
fiesta rear discs cozy calipers.
I like the servo assistance
Oh yeah. Blonde momentOriginally Posted by katana
Fitted mine with two single circuit servos and will be running them from vacuum canister and electric vacuum pump so I can swith it off when needed (track or so)
These are behind the front seats
http://sultzi.kuvat.fi/kuvat/Ford+Es...1/DSC_0002.JPG
Some fair tubs on the back end sultzi. I still have rear seats in so that's out may go down the single twin line route.
Interesting idea about the vacuum canister & pump. I've never seen this. Are these off-the-shelf parts?
I might be missing something here, but is it a bad idea to mount twin servos in the boot? The vac line would be longer than mounting behind the front seats, but not by that much.
I have accuired vacuum pump from Audi, same are found from Ford and Volvo too. Will be controlling this with ecu via pressure sensor. And switch to turn it off when needed. Will be making own vacuum tank or using one from weckers..
Aren't there some relatively modern BMW's with servo units (or at least vacuum accumulators) mounted in the boot?
Girling powerstop unit fitted alongside the rad similar to mk1 mexico. Run the pipe work to front brakes only.
Rear discs on small fords require a reducing valve as they are over efficient for the job, spirited driving will over brake the rears without the valve.
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